142307503 has 8 divisors (see below), whose sum is σ = 153555696. Its totient is φ = 131102400.

The previous prime is 142307497. The next prime is 142307563. The reversal of 142307503 is 305703241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 142307503 - 2⁵ = 142307471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142307563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3733 + ... + 17278.

It is an arithmetic number, because the mean of its divisors is an integer number (19194462).

Almost surely, 2^142307503 is an apocalyptic number.

142307503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142307503 is a deficient number, since it is larger than the sum of its proper divisors (11248193).

142307503 is a wasteful number, since it uses less digits than its factorization.

142307503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21545.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 142307503 is about 11929.2708494694. The cubic root of 142307503 is about 522.0866634834.

The spelling of 142307503 in words is "one hundred forty-two million, three hundred seven thousand, five hundred three".